水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合，经一定时间硬化而成的一种人造石材。
Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
研究结果表明，不同配合基质对侧柏幼苗的成活率、株高、径粗、根长、地上部和地下部干重均有显著影响。
The results showed that different media had significant effects on the survival rate, height, stem diameter, root length, shoot and root dry matter weight of eastern arborvitae.
本文分别进行了利用碎混凝土块、碎砖块作为粗骨料的再生混凝土配合比的试验研究。
In this paper, the test results of mixture ratio of the concrete using recycled aggregates (crushed concrete rubbles or crushed bricks) are given.
不过CO_2焊射滴过渡只能发生在潜弧状态下，产生潜弧的条件为在CO_2气氛中，使用粗焊丝，大电流和低电压的配合参数。
The condition inbwhich the arc is buried are that the parameters such as CO_2 gas, thick wire, high current and low voltage should be used.
方法：应用自动活检装置，配合14 ~18G粗针取材，对64例骨肿瘤患者行彩超检查并引导经皮穿刺活检。
Methods Ultrasound-guided percutaneous biopsy was performed in 64 patients who was diagnosed by CDUS. Puncture instruments included automatic core biopsy device and 14 ~ 18g crude needle.
此外，混凝土的配合比与粗集料对测试结果也有重要影响，而细集料的影响似乎并不明显。
Furthermore, the mix ratio of concrete and the size of coarse aggregation have also effect on the results of test, but it seems that the effect of the fine coarse aggregation is not evident.
此外，混凝土的配合比与粗集料对测试结果也有重要影响，而细集料的影响似乎并不明显。
Furthermore, the mix ratio of concrete and the size of coarse aggregation have also effect on the results of test, but it seems that the effect of the fine coarse aggregation is not evident.
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